In the English version, Prime - Chernabog was first made available in the 12/21/18 - 12/30/18 Supernova - KH III Starlight deal. In this deal, players had a small chance of drawing a boosted version of Prime - Chernabog that has 1,000 more base strength and defense. In this deal, players were guaranteed a 7★ Prime - Chernabog within five draws.[1]